D4S21J-40MA5-Z

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Coaxial Connectors (RF) are a type of electrical connector used to easily connect radio frequency signal cables. D4S21J-40MA5-Z connectors are one of the most common types of RF connectors in use today and are available in a variety of sizes and configurations. This article will discuss the application field and working principle of this type of connector.

D4S21J-40MA5-Z connectors are a small, lightweight, 50-ohm connector with built-in shielding. They are used in applications ranging from amateur radio to professional antennas, cables, antenna adapters and other RF related components. As a general-purpose connector, they are often interchangeable with other types of 50-ohm connectors but are usually much less expensive.

The D4S21J-40MA5-Z has a unique design that features two thermoplastic shells with an inner center contact. This inner contact is typically gold plated for protection against corrosion. It also includes an internal spring for good electrical contact force and an external screw thread for easy installation and removal. The connector also features a secondary locking thread that helps to ensure a secure connection.

In terms of its working principle, the D4S21J-40MA5-Z connector uses a combination of electrical and mechanical-based design features to create a low-noise, low-interference connection. The connector has four components that work together to maintain a high-quality signal; the inner center contact, the outer shell, the internal spring, and the external screw thread. The inner center contact is designed to have low contact resistance, while the outer shell provides a low-dielectric interface between the other components.

The internal spring allows for a secure connection with constant contact force and the external screw thread secures the connector to the RF component. The combination of these elements helps to maintain a low-noise connection with minimal signal loss. Additionally, the unique design of this contact ensures that noise and radio frequency interference is minimized.

Overall, the D4S21J-40MA5-Z coaxial connector is a highly versatile, low-cost, and reliable connector for many RF applications. It is a compact, lightweight, 50-ohm connector with built-in shielding for maximum protection and durability. It works in combination with the other components of the connecting system to ensure a low-noise, low-interference connection with minimal signal loss. The connector can be easily installed and removed, and is highly compatible with a variety of other types of 50-ohm connectors.

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